Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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America's Oldest Speed Shop ®

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Shop Classic Truck Headers & Exhaust At Speedway Motors

Speedway Motors has the classic truck headers and mufflers you need, at a price you can afford. Check out our huge inventory of chassis headers, Flathead V8 headers and tight-fit block hugger headers, all available with durable ceramic AHC coating, polished, or stainless steel. Don't forget about our cast iron exhaust manifolds and exhaust tips as well. With an awesome selection of high performance Flowmaster mufflers, exhaust wrap, glasspacks, and various gaskets, Speedway Motors is your classic truck exhaust superstore!

Featured Products
  • Dynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12
    Dynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12
    (Part #31179400112)
    x
                

    Dynatech® has a wide variety of header bolts to fit your heads.

  • ARP Header Bolt & Stud Kit Set/16
    ARP Header Bolt & Stud Kit Set/16
    (Part #1011001403)
    x
                FNSL6R billet Forged six-piston calipers with 13"-14" rotors deliver the ultimate combination for braking power and style in this group of kits engineered for traditional non-ABS spindles on American muscle cars and vintage rods. Built exclusively for 17" and larger wheels, SL6 kits enhance tire and suspension upgrades on all types of custom show and high performance dual-purpose street and track machines. A full range of options for caliper finishes and rotor designs are guaranteed to catch the eye of the most discriminating enthusiast while providing optimized brake performance for every individual application.

    Installation Instructions (PDF)

  • Swedged Aluminum Throttle Linkage Tubes, 3/16 Inch (10-32) Thread
    Swedged Aluminum Throttle Linkage Tubes, 3/16 Inch (10-32) Thread
    (Part #94055301)
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    This swedged throttle linkage tubing is tapped 3/16" (10-32) LH and RH thread. One end of the throttle rod will have left hand threads, and the other end will have right hand threads. Made of 5/16" x 0.049 round aluminum tubing.

    Note: When measuring for your tube length, you will want to allow 1.5" in length for the rod ends (3/4" of length for each end when calculating your eye-to-eye measurement. For instance, an eye-to-eye length of 11.5" would require a 10" swedged tube.

  • Aluminum Allen Pipe Plugs, 1/2 Inch NPT
    Aluminum Allen Pipe Plugs, 1/2 Inch NPT
    (Part #6176206)
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    Allen pipe plugs are precision machined to ensure precise thread engagement. These lightweight aluminum plug fittings are designed to match up with all performance hose and hose ends. Blue anodized finish.

    AN Thread Sizing Guide (GIF)

    Fitting Thread Application Chart (GIF)

  • Universal Drive Shaft U-Bolts, 1-1/16 Inch Cap
    Universal Drive Shaft U-Bolts, 1-1/16 Inch Cap
    (Part #91048319)
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                Speedway universal drive shaft U-bolts are forged steel for 50% more strength than standard units. Fits U-joints with 1-1/16" diameter caps.
            
  • Gates 28517 Unicoil Hose Spring, 1-3/8 OD Hose
    Gates 28517 Unicoil Hose Spring, 1-3/8 OD Hose
    (Part #39528517)
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    These are used for both good looks and keeping a rubber hose bent in the shape you require. 

    100% stainless steel. 

    Gates Unicoil Stainless Steel Hose Spring - For 1" I.D. hose with 1-3/8" O.D.

  • Ididit 2503100040 Universal Billet Aluminum Knob, 1/4 Inch Bore
    Ididit 2503100040 Universal Billet Aluminum Knob, 1/4 Inch Bore
    (Part #4465310)
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    Universal billet aluminum switch knobs work great as a headlight switch knob, dash knob, door knobs, lock knob, wiper knob, or a radio knob. These 1/4" bore knobs are retained with a set screw.

    • Maximum Diameter:  3/4"
    • Minimum Diameter:  1/2"
    • Height:  1-1/8"
  • Steel Weld Bung for 1 Inch I.D. Tube, 11/16-18 RH
    Steel Weld Bung for 1 Inch I.D. Tube, 11/16-18 RH
    (Part #91002969)
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    Heavy duty steel weld bungs for splitting wishbones, custom tie rods or custom suspension control arms. These weld bungs are 1” O.D. where they slide into the steel 1" I.D. tubing.

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  • Allen Head Header Bolts, 3/8 Inch-16 x 3/4 Inch Long
    Allen Head Header Bolts, 3/8 Inch-16 x 3/4 Inch Long
    (Part #550916)
    x
                

    These bolts feature an Allen head type. They are perfect for headers and work well for other applications also.  Allen Head header bolts have 3/8"-16 X 3/4" long threads.

    • Overall Length: 1.12"
    • Under Head Length: 3/4"
    • Thread Pitch: 3/8"-16
    • Steel
    • Zinc
    • Wrench Type: Allen
    • Set of 12 bolts
  • Dynatech Header Bolts, M8 x 1.25 mm, Pack/12
    Dynatech Header Bolts, M8 x 1.25 mm, Pack/12
    (Part #31179450112)
    x
                

    Dynatech® has a wide variety of metric header bolts to fit your heads.

  • Dynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12
    Dynatech Header Bolts, 3/8 x 3/4 Inch, Pack/12
    (Part #31179400112)
    x
                

    Dynatech® has a wide variety of header bolts to fit your heads.

  • Flathead Ford Header Bolt Kit
    Flathead Ford Header Bolt Kit
    (Part #5509004)
    x
                These premium header bolts kits are designed for use on Ford Flathead V8's. They feature 1" long threads and  (4) bolts are 7/16"-14 and (8) bolts are 3/8"-16.
    • Set of 12
    • 6 Point hex head
    • Zinc plated
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